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I was interviewed in May 2017.
The interview questions cover topics such as Oracle instance recovery, file systems, SQL/PL/SQL queries, Unix commands, and ITIL concepts.
An instance in Oracle refers to the memory structures and background processes that manage a database.
Instance recovery is the process of bringing a database instance back to a consistent state after a failure.
Oracle has both logical and physical file systems. The logical file system...
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I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
VARCHAR can store up to 2000 bytes while VARCHAR2 can store up to 4000 bytes.
VARCHAR can store variable-length character strings up to 2000 bytes.
VARCHAR2 can store variable-length character strings up to 4000 bytes.
VARCHAR will occupy space for NULL values while VARCHAR2 will not.
VARCHAR2 is more efficient in terms of storage and performance compared to VARCHAR.
Composite indexes are indexes that are created on multiple columns in a database table.
Composite indexes improve query performance for queries that involve multiple columns
They can be created using the CREATE INDEX statement in SQL
Example: CREATE INDEX idx_name ON table_name (column1, column2)
posted on 23 Sep 2023
I applied via LinkedIn and was interviewed in Aug 2023. There were 2 interview rounds.
Encapsulation, Inheritance, Polymorphism, Abstraction are the 4 pillars of OOPs
Encapsulation: Bundling data and methods that operate on the data into a single unit
Inheritance: Ability of a class to inherit properties and behavior from another class
Polymorphism: Ability to present the same interface for different data types
Abstraction: Hiding the complex implementation details and showing only the necessary features
posted on 5 Mar 2024
I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.
HTTP is unsecured protocol while HTTPS is secured protocol using SSL/TLS encryption.
HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.
HTTPS uses SSL/TLS encryption to secure the communication between the client and server, while HTTP does not.
HTTPS uses port 443 by default, while HTTP uses port 80.
HTTPS URLs begin with 'https://' and are secured with a padlock icon i...
I was interviewed in May 2021.
Round duration - 120 Minutes
Round difficulty - Easy
Given a string S
and a list wordList
containing N
distinct words, determine if each word in wordList
is present in S
. Return a boolean array where the value at index 'i' indi...
Given a string and a list of words, determine if each word in the list is present in the string and return a boolean array indicating their presence.
Iterate through each word in the word list and check if it is present in the string.
Use a boolean array to store the presence of each word in the string.
Consider case sensitivity when checking for word presence.
Do not use built-in string-matching methods.
Return the boolean
Round duration - 20 Minutes
Round difficulty - Easy
Tip 1 : Try solving Love Babbar 450 Prog questions
Tip 2 : Have a good resume
Tip 3 : Do learn some extra technologies eg. ML/AI
Tip 1 : Do not lie at all
Tip 2 : Have some projects listed
Handling critical situations requires quick thinking, clear communication, and a calm demeanor.
Assess the situation and prioritize actions
Communicate clearly and effectively with all parties involved
Remain calm and focused
Take decisive action while considering potential consequences
Seek assistance or advice from colleagues or superiors if necessary
I prioritize the problems based on urgency and importance, and then allocate time and resources accordingly.
Assess the urgency and importance of each problem
Create a plan of action for each problem
Allocate time and resources based on the plan
Regularly reassess and adjust the plan as needed
Example: If one problem is a deadline that cannot be missed and the other is a minor issue, prioritize the deadline and allocate mor
I applied via Campus Placement and was interviewed in Apr 2022. There were 3 interview rounds.
Ninja Coding Round Basic Coding questions available on youtube or sources online
I applied via Naukri.com and was interviewed in Oct 2022. There were 3 interview rounds.
Java is a popular programming language used for developing various applications. A variable is a named memory location used to store data.
Java is an object-oriented language
It is platform-independent
Variables in Java have a specific data type
Variables can be assigned values and their values can be changed
Example: int age = 25; String name = "John";
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Inheritance allows code reuse and promotes code organization.
There are different types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, and hierarchical inheritance.
Single inheritance involves a class inheriting from a single base class.
Multiple inheritance involves...
Inheritance is acquiring properties of parent class to child class without changing parent class properties. It is classified into 5 types.
Inheritance is a way to reuse code and establish a relationship between classes
The 'extends' keyword is used to implement inheritance in Java
Examples of inheritance include a 'Car' class inheriting properties from a 'Vehicle' class
Single level inheritance involves one parent class a...
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